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Table 2 Scoring system for visual weight-bearing test

From: Amelioration of complete Freund’s adjuvant-induced arthritis by Calotropis procera latex in rats

Score Criteria
0 Normal paw pressure, equal weight on both hind paws
0.5 Normal paw pressure, paw is completely on the floor, but toes are unequal to control hind paw
1 Slightly reduced paw pressure, paw is completely on the floor, but toes are not spread
1.5 Reduced paw pressure, intermediate between categories 1 and 2
2 Slight reduced paw pressure, paw curled with only some parts of the hind paw lightly touching the floor
2.25 Moderately reduced paw pressure, paw curled with toes only lightly and occasionally touching the floor
2.5 Slightly reduced paw pressure, paw curled with toes only lightly and occasionally touching the floor
2.75 Moderately reduced paw pressure, paw curled with toes only lightly and occasionally touching the floor
3 Severely reduced paw pressure, paw completely elevated